Dinan+ PCU - 2021-2025 BMW M2/M3/M4 & 2020-2025 BMW X3M/X4M F97/F98/G80/G82/G83/G87 (S58) - Factory Matching Warranty (4-YR/50k) Volkswagen Scirocco Mk1 4-Cyl 8V 1" (28mm) in the front

1" (28mm) in the front and 0

or if the manufacturer issues an update

After much research and testing we discovered the synchronization of the Turbos as the main factor in the sound

Stage HP TQ Max Gain Max Gain Stock As Reported by Porsche  300 HP 280 FT-LBS Stock As Measured by APR 309 HP 291 FT-LBS APR Plus (Sport/Sport+) 91 AKI 353 HP  303 FT-LBS  +45 HP  +36 FT-LBS  Stage 1 (Sport/Sport+) 91 AKI / 95 RON 353 HP 303 FT-LBS +45 HP +36 FT-LBS 93 AKI / 98 RON 366 HP 334 FT-LBS +63 HP +61 FT-LBS 100 AKI / 104 RON 373 HP 345 FT-LBS +75 HP +74 FT-LBS 104 AKI / 108 RON 378 HP 349 FT-LBS +79 HP +78 FT-LBS

Closed exhaust flaps open fully at wide open throttle above 4

Dinan+ PCU - 2021-2025 BMW M2/M3/M4 & 2020-2025 BMW X3M/X4M F97/F98/G80/G82/G83/G87 (S58) - Factory Matching Warranty (4-YR/50k) Volkswagen Scirocco Mk1 4-Cyl 8V 1" (28mm) in the frontSKU variations Warranty: The Dinan S58 PCU is available with a standard 2 YR product only warranty (Dinan S58 PCU D440 0200) or a factory matching 4 YR 50k mile warranty (Dinan+ S58 PCU D440 0200 W) that covers both consequential damages as well as labor reimbursement. Functionally, the units are identical but carry different warranty terms. In the case of the factory matching warranty Dinan+ PCU, the warranty ONLY applies to the first VIN the unit is